268507360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 720706896

約数和(自身を除く): 452199536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 61, 80, 82, 88, 110, 122, 160, 164, 176, 205, 220, 244, 305, 328, 352, 410, 440, 451, 488, 610, 656, 671, 820, 880, 902, 976, 1220, 1312, 1342, 1640, 1760, 1804, 1952, 2255, 2440, 2501, 2684, 3280, 3355, 3608, 3721, 4510, 4880, 5002, 5368, 6560, 6710, 7216, 7442, 9020, 9760, 10004, 10736, 12505, 13420, 14432, 14884, 18040, 18605, 20008, 21472, 25010, 26840, 27511, 29768, 36080, 37210, 40016, 40931, 50020, 53680, 55022, 59536, 72160, 74420, 80032, 81862, 100040, 107360, 110044, 119072, 137555, 148840, 152561, 163724, 200080, 204655, 220088, 275110, 297680, 305122, 327448, 400160, 409310, 440176, 550220, 595360, 610244, 654896, 762805, 818620, 880352, 1100440, 1220488, 1309792, 1525610, 1637240, 1678171, 2200880, 2440976, 3051220, 3274480, 3356342, 4401760, 4881952, 6102440, 6548960, 6712684, 8390855, 12204880, 13425368, 16781710, 24409760, 26850736, 33563420, 53701472, 67126840, 134253680, 268507360]

約数ペア:

[(1, 268507360), (2, 134253680), (4, 67126840), (5, 53701472), (8, 33563420), (10, 26850736), (11, 24409760), (16, 16781710), (20, 13425368), (22, 12204880), (32, 8390855), (40, 6712684), (41, 6548960), (44, 6102440), (55, 4881952), (61, 4401760), (80, 3356342), (82, 3274480), (88, 3051220), (110, 2440976), (122, 2200880), (160, 1678171), (164, 1637240), (176, 1525610), (205, 1309792), (220, 1220488), (244, 1100440), (305, 880352), (328, 818620), (352, 762805), (410, 654896), (440, 610244), (451, 595360), (488, 550220), (610, 440176), (656, 409310), (671, 400160), (820, 327448), (880, 305122), (902, 297680), (976, 275110), (1220, 220088), (1312, 204655), (1342, 200080), (1640, 163724), (1760, 152561), (1804, 148840), (1952, 137555), (2255, 119072), (2440, 110044), (2501, 107360), (2684, 100040), (3280, 81862), (3355, 80032), (3608, 74420), (3721, 72160), (4510, 59536), (4880, 55022), (5002, 53680), (5368, 50020), (6560, 40931), (6710, 40016), (7216, 37210), (7442, 36080), (9020, 29768), (9760, 27511), (10004, 26840), (10736, 25010), (12505, 21472), (13420, 20008), (14432, 18605), (14884, 18040)]